Jason Lam

Bib: 3559•M•Age: 52

Burlingame, CA

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 7166

Top 25%

Gender (Male)

#0 / 5052

Top 29%

Masters (Masters Men)

#0 / 1321

Top 24%

Division (M50-54)

#0 / 245

Top 27%

Race Day Weather

59°/49°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

18:27

Rank: #2789

Start → 2M

18:27 | 9:13/mi

18:27

Rank: #2789

Start → 2M

18:27 | 9:13/mi

36:37

Rank: #2587 (+202)

2M → 4M

18:10 | 9:05/mi

36:37

Rank: #2587 (+202)

2M → 4M

18:10 | 9:05/mi

54:58

Rank: #2555 (+32)

4M → 6M

18:21 | 9:10/mi

54:58

Rank: #2555 (+32)

4M → 6M

18:21 | 9:10/mi

1:12:25

Rank: #2365 (+190)

6M → 8M

17:27 | 8:43/mi

1:12:25

Rank: #2365 (+190)

6M → 8M

17:27 | 8:43/mi

9.6M

1:27:16

Rank: #2305 (+60)

8M → 9.6M

14:51 | 9:17/mi

9.6M

1:27:16

Rank: #2305 (+60)

8M → 9.6M

14:51 | 9:17/mi

10M

1:30:13

Rank: #2393 (-88)

9.6M → 10M

2:57 | 7:23/mi

10M

1:30:13

Rank: #2393 (-88)

9.6M → 10M

2:57 | 7:23/mi

10.5M

1:36:25

Rank: #2400 (-7)

10M → 10.5M

6:12 | 12:24/mi

10.5M

1:36:25

Rank: #2400 (-7)

10M → 10.5M

6:12 | 12:24/mi

12M

1:48:59

Rank: #2312 (+88)

10.5M → 12M

12:34 | 8:23/mi

12M

1:48:59

Rank: #2312 (+88)

10.5M → 12M

12:34 | 8:23/mi

14M

2:08:11

Rank: #2255 (+57)

12M → 14M

19:12 | 9:36/mi

14M

2:08:11

Rank: #2255 (+57)

12M → 14M

19:12 | 9:36/mi

16M

2:25:44

Rank: #2355 (-100)

14M → 16M

17:33 | 8:47/mi

16M

2:25:44

Rank: #2355 (-100)

14M → 16M

17:33 | 8:47/mi

18M

2:43:17

Rank: #2104 (+251)

16M → 18M

17:33 | 8:47/mi

18M

2:43:17

Rank: #2104 (+251)

16M → 18M

17:33 | 8:47/mi

20M

3:01:39

Rank: #1991 (+113)

18M → 20M

18:22 | 9:11/mi

20M

3:01:39

Rank: #1991 (+113)

18M → 20M

18:22 | 9:11/mi

22M

3:17:59

Rank: #1851 (+140)

20M → 22M

16:20 | 8:10/mi

22M

3:17:59

Rank: #1851 (+140)

20M → 22M

16:20 | 8:10/mi

24M

3:38:03

Rank: #1816 (+35)

22M → 24M

20:04 | 10:02/mi

24M

3:38:03

Rank: #1816 (+35)

22M → 24M

20:04 | 10:02/mi

Finish· 26.22 mi

3:59:08

Rank: #1779 (+37)

24M → Finish

21:05 | 9:30/mi

Finish· 26.22 mi

3:59:08

Rank: #1779 (+37)

24M → Finish

21:05 | 9:30/mi

Course Map & Elevation

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Half Splits

1st Half· via 14M

Distance14.00 mi

Time2:08:11

Pace9:09 /mi

2nd Half✓ Faster

Distance12.22 mi

Time1:50:57

Pace9:05 /mi

📊Negative Split: 13.4% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
2M	2.00 mi	05:52:03	18:27	9:13	18:27	9:13	-
4M	4.00 mi	06:10:13	36:37	9:09	18:10	9:05	-0:08
6M	6.00 mi	06:28:34	54:58	9:10	18:21	9:10	+0:05
8M	8.00 mi	06:46:01	1:12:25	9:03	17:27	8:43	-0:27
9.6M	9.60 mi	07:00:52	1:27:16	9:05	14:51	9:17	+0:34
10M	10.00 mi	07:03:49	1:30:13	9:01	2:57	7:23	-1:54
10.5M	10.50 mi	07:10:01	1:36:25	9:11	6:12	12:24	+5:01
12M	12.00 mi	07:22:35	1:48:59	9:05	12:34	8:23	-4:01
14M	14.00 mi	07:41:47	2:08:11	9:09	19:12	9:36	+1:13
16M	16.00 mi	07:59:20	2:25:44	9:06	17:33	8:47	-0:49
18M	18.00 mi	08:16:53	2:43:17	9:04	17:33	8:47	0:00
20M	20.00 mi	08:35:15	3:01:39	9:05	18:22	9:11	+0:24
22M	22.00 mi	08:51:35	3:17:59	9:00	16:20	8:10	-1:01
24M	24.00 mi	09:11:39	3:38:03	9:05	20:04	10:02	+1:52
Finish	26.22 mi	09:32:44	3:59:08	9:08	21:05	9:30	-0:32

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:23 /mi

Average Pace

9:08 /mi

Slowest Pace

12:24 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

31:51

13% of race

Time at Steady Pace

3:01:01

76% of race

Time at Slower Pace

26:16

11% of race

Average Pace: 9:07 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
2M	2.00 mi	05:52:03	18:27	9:13	18:27	9:13	#2789
4M	4.00 mi	06:10:13	36:37	9:09	18:10	9:05	#2587
6M	6.00 mi	06:28:34	54:58	9:10	18:21	9:10	#2555
8M	8.00 mi	06:46:01	1:12:25	9:03	17:27	8:43	#2365
9.6M	9.60 mi	07:00:52	1:27:16	9:05	14:51	9:17	#2305
10M	10.00 mi	07:03:49	1:30:13	9:01	2:57	7:23	#2393
10.5M	10.50 mi	07:10:01	1:36:25	9:11	6:12	12:24	#2400
12M	12.00 mi	07:22:35	1:48:59	9:05	12:34	8:23	#2312
14M	14.00 mi	07:41:47	2:08:11	9:09	19:12	9:36	#2255
16M	16.00 mi	07:59:20	2:25:44	9:06	17:33	8:47	#2355
18M	18.00 mi	08:16:53	2:43:17	9:04	17:33	8:47	#2104
20M	20.00 mi	08:35:15	3:01:39	9:05	18:22	9:11	#1991
22M	22.00 mi	08:51:35	3:17:59	9:00	16:20	8:10	#1851
24M	24.00 mi	09:11:39	3:38:03	9:05	20:04	10:02	#1816
Finish	26.22 mi	09:32:44	3:59:08	9:08	21:05	9:30	#1779

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Featured Segment

Garmin Challenge

The climb, presented by Garmin

Top 44%

Garmin Challenge

Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:09

Segment Time

10:10/mi

Pace

0.90 mi

Distance

Overall

3183

Men

2575

Division

108

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
2M	2.00 mi	2.00 mi	2789	2292	100	1893(Top 26%)	1593(Top 32%)	62(Top 25%)
4M	4.00 mi	2.00 mi	2587+202	2151+141	90+10	2382(Top 33%)	1993(Top 39%)	80(Top 33%)
6M	6.00 mi	2.00 mi	2555+32	2124+27	89+1	2588(Top 36%)	2149(Top 43%)	87(Top 36%)
8M	8.00 mi	2.00 mi	2365+190	1984+140	79+10	1963(Top 27%)	1667(Top 33%)	69(Top 28%)
9.6M	9.60 mi	1.60 mi	2305+60	1938+46	81-2	2107(Top 29%)	1801(Top 36%)	73(Top 30%)
10M	10.00 mi	0.40 mi	2393-88	2011-73	82-1	4742(Top 66%)	3606(Top 71%)	156(Top 64%)
10.5M	10.50 mi	0.50 mi	2400-7	2011	80+2	2721(Top 38%)	2225(Top 44%)	90(Top 37%)
12M	12.00 mi	1.50 mi	2312+88	1952+59	79+1	1893(Top 26%)	1593(Top 32%)	62(Top 25%)
14M	14.00 mi	2.00 mi	2255+57	1898+54	79	2112(Top 29%)	1787(Top 35%)	75(Top 31%)
16M	16.00 mi	2.00 mi	2355-100	1957-59	84-5	3204(Top 45%)	2491(Top 49%)	121(Top 49%)
18M	18.00 mi	2.00 mi	2104+251	1766+191	74+10	999(Top 14%)	852(Top 17%)	28(Top 11%)
20M	20.00 mi	2.00 mi	1991+113	1672+94	73+1	1667(Top 23%)	1372(Top 27%)	62(Top 25%)
22M	22.00 mi	2.00 mi	1851+140	1559+113	70+3	1040(Top 15%)	878(Top 17%)	29(Top 12%)
24M	24.00 mi	2.00 mi	1816+35	1509+50	70	1803(Top 25%)	1420(Top 28%)	66(Top 27%)
Finish	26.22 mi	2.22 mi	1779+37	1473+36	67+3	1685(Top 24%)	1331(Top 26%)	54(Top 22%)

M50-54

159

10M→10.5M

10.0 - 10.5 mi

Top 38%

×9stories

+0ft-102ft

Overall

2721

Males

2225

M50-54

10.5M→12M

10.5 - 12.0 mi

Top 26%

×18stories

+304ft-125ft

Overall

1893

Males

1593

M50-54

12M→14M

12.0 - 14.0 mi

Top 29%

×9stories

+99ft-125ft

Overall

2112

Males

1787

M50-54

14M→16M

14.0 - 16.0 mi

Top 45%

×9stories

+124ft-78ft

Overall

3204

Males

2491

M50-54

121

16M→18M

16.0 - 18.0 mi

Top 14%

×8stories

+106ft-45ft

Overall

999

Males

852

M50-54

18M→20M

18.0 - 20.0 mi

Top 23%

×3stories

+52ft-26ft

Overall

1667

Males

1372

M50-54

20M→22M

20.0 - 22.0 mi

Top 15%

×21stories

+17ft-266ft

Overall

1040

Males

878

M50-54

22M→24M

22.0 - 24.0 mi

Top 25%

×3stories

+70ft-85ft

Overall

1803

Males

1420

M50-54

24M→Finish

24.0 - 26.2 mi

Top 24%

~flat

+2ft-2ft

Overall

1685

Males

1331

M50-54

Passing Analysis

Category:

Athletes Passed

1544*

Passed By

534

Net Change

+1010

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 2M	-	-	-	-	#2789
2M → 4M	236*	34	+202	#2789	#2587
4M → 6M	101	69	+32	#2587	#2555
6M → 8M	197*	7	+190	#2555	#2365
8M → 9.6M	89*	29	+60	#2365	#2305
9.6M → 10M	2	90	-88	#2305	#2393
10M → 10.5M	26	33	-7	#2393	#2400
10.5M → 12M	96	8	+88	#2400	#2312
12M → 14M	77*	20	+57	#2312	#2255
14M → 16M	64*	164	-100	#2255	#2355
16M → 18M	256	5	+251	#2355	#2104
18M → 20M	119*	6	+113	#2104	#1991
20M → 22M	148*	8	+140	#1991	#1851
22M → 24M	69*	34	+35	#1851	#1816
24M → Finish	64*	27	+37	#1816	#1779
TOTALS	1544*	534	+1010

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

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Results processed 5 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

The San Francisco Marathon

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Race Place Events

Jason Lam

⏱️ Race Timeline

Course Map & Elevation

Claim it — unlock a deeper AI report on this race, free

Half Splits

Checkpoint Splits

Checkpoints & Pacing

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Garmin Challenge

Checkpoint and Segment Rankings

Segment Performance Analysis

10.5M→12M

2M→4M

4M→6M

6M→8M

8M→9.6M

9.6M→10M

10M→10.5M

10.5M→12M

12M→14M

14M→16M

16M→18M

18M→20M

20M→22M

22M→24M

24M→Finish

Passing Analysis

Passing Visuals

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

⚖️ Age Grade

Export Track Data

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All Results

Race Analytics

Course Information

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Public Race Data